The United States Congress enacted the Inspector General Act of 1978, as amended, to ensure integrity and efficiency in government. The Homeland Security Act of 2002, as amended, established an Office of Inspector General (OIG) in the Department of Homeland Security (DHS). The Inspector General is appointed by the President and subject to Senate confirmation.
The Inspector General is responsible for conducting and supervising audits, investigations, and inspections relating to the programs and operations of the DHS. The OIG is to examine, evaluate and, where necessary, critique these operations and activities, recommending ways for the Department to carry out its responsibilities in the most effective, efficient, and economical manner possible.
To serve as an independent and objective inspection, audit, and investigative body to promote effectiveness, efficiency, and economy in the Department of Homeland Security's programs and operations, and to prevent and detect fraud, abuse, mismanagement, and waste in such programs and operations.